Maven抛出NoGoalSpecifiedException异常

最近刚开始学习maven的使用，经过一番折腾终于创建出自己的第一个Maven项目

在第一次编辑的时候却出现这个异常，异常代码如下：

[ERROR] No goals have been specified for this build. You must specify a valid lifecycle phase or a goal in the format <plugin-prefix>:<goal> or <plugin-group-id>:<plugin-artifact-id>[:<plugin-version>]:<goal>. Available lifecycle phases are: validate, initialize, generate-sources, process-sources, generate-resources, process-resources, compile, process-classes, generate-test-sources, process-test-sources, generate-test-resources, process-test-resources, test-compile, process-test-classes, test, prepare-package, package, pre-integration-test, integration-test, post-integration-test, verify, install, deploy, pre-clean, clean, post-clean, pre-site, site, post-site, site-deploy. -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/NoGoalSpecifiedException

原因是没有指定buid goal,在POM文件中的buid节中加入默认值就行了。

在网上搜索后得到如下解决方案：

在pom.xml文件中添加

 <build>
  <defaultGoal>compile</defaultGoal>
  </build>

就可以了。
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作者：stfei0 
来源：优快云 
原文：https://blog.youkuaiyun.com/stfei0/article/details/51374288 
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